package com.mfnote.adapter;

import java.util.List;

import com.mfnote.util.image.ImageManager;
import com.mfnote.view.R;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
/**
 * 插入图片列表适配器
 * @author ZHF
 *
 */
public class ImagesListAdapter extends BaseAdapter {
	
	private Context context;
	private List<String> imagesList; //各个图片的路径
	
	public ImagesListAdapter(Context context, List<String> imagesList) {
		this.context = context;
		this.imagesList = imagesList;
	}
	
	/**得到总的数量**/
	@Override
	public int getCount() {
		// TODO Auto-generated method stub
		return imagesList.size();
	}

	/**根据ListView位置返回View**/
	@Override
	public Object getItem(int position) {
		return imagesList.get(position);  //返回当前选中的item图片的路径
	}

	/**根据ListView位置得到List中的ID**/
	@Override
	public long getItemId(int position) {
		// TODO Auto-generated method stub
		return position;  //返回当前选中项的Id
	}

	/**根据位置得到View对象**/
	@Override
	public View getView(int position, View convertView, ViewGroup parent) {
		
		if(convertView == null) {    
            convertView = LayoutInflater.from(context).inflate(R.layout.newwrite_image_item, null);
        }
		
		ImageView img = (ImageView) convertView.findViewById(R.id.newwrite_et_content_image);  //图片列表项
		
		if(!imagesList.get(position).equals("")) {//没有图片
			Bitmap tempBitmap = BitmapFactory.decodeFile(imagesList.get(position));//根据路径显示对应的图片
			if(tempBitmap != null) {
				Bitmap newBitmap = new ImageManager(context).zoomBitmap(tempBitmap, tempBitmap.getWidth(), tempBitmap.getHeight() / 3);
				img.setImageBitmap(newBitmap);//对应的行上显示对应的图片
			}
		}
		return convertView;
	}

}
